/* eslint-disable vue/require-v-for-key */
<template>
  <div class='search'>
    <div class='search-box-wrapper'>
      <search-box ref='searchBox'
                  @query='onQueryChange'></search-box>
    </div>
    <div class='shortcut-wrapper'
         v-show='!query'
         ref='shortcutWrapper'>
      <scroll class='shortcut'
              ref='shortcut'
              :data='shortcut'
              :refreshDelay='refreshDelay'>
        <div>
          <div class='hot-key'>
            <h1 class='title'>热门搜索</h1>
            <ul>
              <li class='item'
                  :key='index'
                  v-for='(item,index) in hotkey'
                  @click='addQuery(item.k)'>
                <span>{{item.k}}</span>
              </li>
            </ul>
          </div>
          <div class='search-history'
               v-show='searchHistory.length'>
            <h1 class='title'>
              <span class='text'>搜索历史</span>
              <span class='clear'
                    @click='showConfirm'>
                <i class='icon-clear'></i>
              </span>
            </h1>
            <search-list @select='addQuery'
                         @delete='deleteOne'
                         :searches='searchHistory'></search-list>
          </div>
        </div>
      </scroll>
    </div>
    <div class='search-result'
         v-show='query'
         ref='searchResult'>
      <suggest :query='query'
               @select='saveSearch'
               :showSinger='showSinger'
               @listScroll='blurInput'
               ref='suggest'></suggest>
    </div>
    <confirm ref='confirm'
             text='是否清空所有搜索历史'
             confirmBtnText='清空'
             @confirm='deleteAll'></confirm>
    <router-view></router-view>
  </div>
</template>

<script type="text/javascript">
import SearchBox from 'base/search-box/search-box'
import { getHotKey } from 'api/search'
import { ERR_OK } from 'api/config'
import Suggest from 'components/suggest/suggest'
import SearchList from 'base/search-list/search-list'
import Confirm from 'base/confirm/confirm'
import Scroll from 'base/scroll/scroll'
import { mapActions } from 'vuex'
import { playlistMixin, searchMixin } from 'common/js/mixin'
export default {
  name: 'Search',
  mixins: [playlistMixin, searchMixin],
  created () {
    this._getHotKey()
  },
  data () {
    return {
      hotkey: [],
      showSinger: true
    }
  },
  computed: {
    shortcut () {
      return this.hotkey.concat(this.searchHistory)
    }
  },
  methods: {
    handlePlaylist (playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.shortcutWrapper.style.bottom = bottom
      this.$refs.shortcut.refresh()
      this.$refs.searchResult.style.bottom = bottom
      this.$refs.suggest.refresh()
    },
    _getHotKey () {
      getHotKey().then((res) => {
        if (res.code === ERR_OK) {
          this.hotkey = res.data.hotkey.splice(0, 10)
        }
      })
    },
    showConfirm () {
      this.$refs.confirm.show()
    },
    deleteOne (item) { // 删除单个历史记录
      this.deleteSearchHistory(item)
    },
    deleteAll () { // 删除全部历史记录
      this.clearSearchHistory()
    },
    ...mapActions([
      'clearSearchHistory'
    ])
  },
  watch: {
    query (newQuery) { // query清空时刷新scroll
      if (!newQuery) {
        setTimeout(() => {
          this.$refs.shortcut.refresh()
        }, 20)
      }
    }
  },
  components: {
    SearchBox,
    Suggest,
    SearchList,
    Confirm,
    Scroll
  }
}
</script>

<style lang='stylus' scoped  rel="stylesheet/stylus">
@import '~common/stylus/variable'
@import '~common/stylus/mixin'
.search
  .search-box-wrapper
    margin: 20px
  .shortcut-wrapper
    position: fixed
    top: 178px
    bottom: 0
    width: 100%
    .shortcut
      height: 100%
      overflow: hidden
      .hot-key
        margin: 0 20px 20px 20px
        .title
          margin-bottom: 20px
          font-size: $font-size-medium
          color: $color-text-l
        .item
          display: inline-block
          padding: 5px 10px
          margin: 0 20px 10px 0
          border-radius: 6px
          background: $color-highlight-background
          font-size: $font-size-medium
          color: $color-text-d
      .search-history
        position: relative
        margin: 0 20px
        .title
          display: flex
          align-items: center
          height: 40px
          font-size: $font-size-medium
          color: $color-text-l
          .text
            flex: 1
          .clear
            extend-click()
            .icon-clear
              font-size: $font-size-medium
              color: $color-text-d
  .search-result
    position: fixed
    width: 100%
    top: 178px
    bottom: 0
</style>
